Most people infected with COVID-19 Omicron variant didn’t know it, study says

More than half of people who were likely infected with the COVID-19 Omicron variant last fall didn’t know they had the virus, which could be why it spread so fast, a new study finds.

Carnival Cruise Line removes pre-cruise testing for vaccinated guests, unvaccinated guests welcome to sail

In a release Friday, the cruise line said they're making it easier for more guests to sail with simplified vaccination and testing guidelines, including no testing for vaccinated guests on sailings less than 16 nights, and eliminating the exemption requests process for unvaccinated guests.

CDC drops quarantine, screening recommendations for COVID-19

The nation's top public health agency on Thursday relaxed its COVID-19 guidelines, dropping the recommendation that Americans quarantine themselves if they come into close contact with an infected person.

North Texas mom goes home after 370 days in the hospital with COVID-19

Jazmin Kirkland is looking forward to being back at home to simply watch her 2, 7, and 10-year-olds grow and play. She has spent the past year hospitalized because of COVID-19.

Biden tests positive for COVID-19 again in 'rebound' case, doctor says

White House physician Dr. Kevin O’Connor said in a letter that Biden "has experienced no reemergence of symptoms, and continues to feel quite well."

Biden improves 'significantly' after getting BA.5 COVID variant

Officials emphasized that Biden's symptoms are mild because he received four vaccine doses and started taking the antiviral drug Paxlovid after becoming infected.

Texas Lt Gov Dan Patrick tests positive for COVID-19

Lt. Gov. Dan Patrick is experiencing only mild symptoms and isolating at home, says his campaign.

CDC endorses more traditional Novavax COVID-19 vaccine for adults

Health officials say U.S. adults who haven’t gotten any COVID-19 shots yet should consider a new option from Novavax.

Dallas County raises COVID-19 threat level to orange

The rising number of COVID-19 infections and hospitalizations has prompted Dallas County to raise its threat level.

North Texas considered a hot spot for COVID-19 BA.5 subvariant by CDC

The CDC says Dallas, Tarrant and Collin counties now have a high amount of COVID spreading after a relative lull in this pandemic. UT Southwestern's projections this week show if nobody changes their behavior, hospitalizations in Dallas County could rival the delta wave from last year.

COVID Variant Myths: Debunking misconceptions about new coronavirus variants such as "BA.5" or "Ninja"

America may want the coronavirus pandemic to be over, but new numbers show the infection is far from done with us, thanks in part to new variants BA.5, otherwise known as "ninja" variant. But, what exactly do we know about them?

Novavax COVID-19 vaccine: FDA authorizes new shot for adults

Novavax makes a more traditional type of shot than the three other COVID-19 vaccines available for use in the U.S. -- and one that’s already available in Europe and multiple other countries.

Can you catch COVID-19 again? Doctor warns omicron BA.5 subvariant escapes immunity

A top COVID researcher says he's worried about the COVID-19 BA.5 subvariant. Doctors say it's highly transmissible and responsible for several breakthrough cases. Pharmaceutical companies are working to develop variant-specific vaccines that may be more effective.